The RED A03 is a V12 four-stroke aircraft diesel engine designed and built by

RED Aircraft GmbH Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondary ...

of Adenau, Germany.

Development

In 2012, its unit cost was . The engine received type approval from the

European Aviation Safety Agency The European Union Aviation Safety Agency (EASA) is an agency of the European Union (EU) with responsibility for civil aviation safety. It carries out certification, regulation and standardisation and also performs investigation and monitori ...

in December 2014 for use in any CS-23 aircraft in both normal and utility categories. It powered the Yakovlev Yak-152 trainer on its 29 September 2016 first flight. The RED A03 is presented by the ILA Berlin Air Show as an application in the Aerobatic sector and for Defence and Security. The engine is proposed for the Hybrid Air Vehicles HAV 304/Airlander 10, a British hybrid airship design, powered by four engines and can be operated with two. In November 2021, an

Air Tractor AT-301 The Air Tractor AT-300 is a family of agricultural aircraft that first flew in the United States on September 1973. Type certification was awarded to Air Tractor in November the same year, and serial production commenced in 1976. Of low-wing ...

made a first flight retrofitted with a RED A03 engine. The same month, a prototype Otto Celera 500L powered by a RED A03 engine was flown using

Sustainable Aviation Fuel An aviation biofuel or bio-jet fuel Note: About">Investable Universe>About' or bio-aviation fuel (BAF) is a biofuel used to power aircraft and is said to be a sustainable aviation fuel (SAF). The International Air Transport Association (IATA) c ...

. On 18 November 2022,

Ampaire Ampaire is an American aircraft manufacturer startup based in Hawthorne, California. History The company developed the Electric EEL, based on a Cessna 337 Skymaster (a push-pull aircraft) with a piston engine replaced by an electric motor ...

flew its Eco- Caravan maiden flight : the hybrid electric aircraft uses a RED A03 engine to reduce fuel consumption by 70% on shorter trips to 50% on longer ones, retaining the Grand Caravan payload capabilities with range improved to ; supplemental type certificate (STC) is targeted for 2024.

Design

It has twin

double overhead camshaft An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion ch ...

s. A marine version was planned for 522 kW/700 hp at 3,900 rpm. The cylinder banks' angle is 80 degrees. The RED A03-200 series is a derivative developed for very high-altitude operation up to , with a maximum rating of at FL250.

Applications

; Agricultural aircraft *

(

STC STC may refer to: Education * Saint Theresa's College (disambiguation), any of several institutions * St. Thomas' College, Matale, Sri Lanka * S. Thomas' College, Mount Lavinia, Sri Lanka * Scott Theological College, Kenya * Sha Tin College, H ...

planned) * Fletcher FU-24 ; Airship * Hybrid Air Vehicles HAV 304/Airlander 10 (proposed) ; Utility aircraft *

Eco-Caravan (STC targeted for 2024). *

De Havilland Canada DHC-2 Beaver The de Havilland Canada DHC-2 Beaver is a single-engined high-wing propeller-driven short takeoff and landing (STOL) aircraft developed and manufactured by de Havilland Canada. It has been primarily operated as a bush plane and has been use ...

(STC planned) * Junkers JU-52NG * In-development twin-engine

utility aircraft A utility aircraft is a general-purpose light airplane or helicopter, usually used for transporting people, freight or other supplies, but is also used for other duties when more specialized aircraft are not required or available. The term can a ...

for 9-14 passengers or cargo from Russian Pro-Avia ; Business aircraft * Otto Celera 500L (experimental) ; Trainer aircraft * Yakovlev Yak-18 *

Yakovlev Yak-52 The Yakovlev Yak-52 (russian: Яковлев Як-52) is a Soviet primary trainer aircraft which first flew in 1976. It was produced in Romania from 1977 to 1998 by Aerostar, as ''Iak-52'', which gained manufacturing rights under agreement w ...

and Yakovlev Yak-152 trainers

Specifications

RED A05 300hp V6

The RED A05 is a 2017 preliminary design of a V6 engine with displacement, outputting at takeoff at 2127 propeller RPM and continuously at 1995 propeller RPM, with a best

brake specific fuel consumption Brake-specific fuel consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft power. It is typically used for comparing the efficiency of internal combustion engines with a shaft ou ...

References

External links

*{{official website, 1=https://red-aircraft.com Aircraft diesel engines 2000s aircraft piston engines